From patchwork Fri Jan 18 17:45:35 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [v3] block: Monitor command commit neglects to report some errors Date: Fri, 18 Jan 2013 07:45:35 -0000 From: Jeff Cody X-Patchwork-Id: 213695 Message-Id: To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, armbru@redhat.com, stefanha@redhat.com, lcapitulino@redhat.com The non-live bdrv_commit() function may return one of the following errors: -ENOTSUP, -EBUSY, -EACCES, -EIO. The only error that is checked in the HMP handler is -EBUSY, so the monitor command 'commit' silently fails for all error cases other than 'Device is in use'. Report error using monitor_printf() and strerror(), and convert existing qerror_report() calls in do_commit() to monitor_printf(). Signed-off-by: Jeff Cody Reviewed-by: Markus Armbruster --- blockdev.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) diff --git a/blockdev.c b/blockdev.c index d724e2d..cb3b426 100644 --- a/blockdev.c +++ b/blockdev.c @@ -642,21 +642,17 @@ void do_commit(Monitor *mon, const QDict *qdict) if (!strcmp(device, "all")) { ret = bdrv_commit_all(); - if (ret == -EBUSY) { - qerror_report(QERR_DEVICE_IN_USE, device); - return; - } } else { bs = bdrv_find(device); if (!bs) { - qerror_report(QERR_DEVICE_NOT_FOUND, device); + monitor_printf(mon, "Device '%s' not found\n", device); return; } ret = bdrv_commit(bs); - if (ret == -EBUSY) { - qerror_report(QERR_DEVICE_IN_USE, device); - return; - } + } + if (ret < 0) { + monitor_printf(mon, "'commit' error for '%s': %s\n", device, + strerror(-ret)); } }